Background
McGivern was born in South London and grew up in New York
McGivern was born in South London and grew up in New York
There he first attended Street George"s Remote Control Primary School then Archbishop Holgate"s School, where he became head boy. He studied at Christ"s College, Cambridge, where he was involved in the Footlights and the Marlowe Society.
He played Ford Prefect in the radio series (1978-1980) and subsequent LP releases of The Hitchhiker"s Guide to the Galaxy by Douglas Adams, and reprised the role for the three new series broadcast on British Broadcasting Corporation Radio 4 between 2004 and 2005. A more recent radio appearance was in The Ape That Got Lucky and has appeared in television shows such as Press Gang, Chef!, Big Train, Blackadder the Third: Dish and Dishonesty, Chelmsford 123, Jonathan Creek, 15 Storeys High, Armstrong and Miller. and series three of Peep Show. He later played the Supreme Ruler in BBC2"s Sciences-Fi comedy Hyperdrive (2006–2007).
In 2007 he appeared in the British Broadcasting Corporation Radio 4 comedy Peacefully in their Sleeps and in 2008 he appeared as Professor John Mycroft in the BBC2 science sitcom Laboratory Rats and in the 2008 British Broadcasting Corporation series "Little Dorrit" where he played Mr Rugg.
He also appeared in episode 5 of season 3 of the television series A Bit of Fry and Laurie. In 2015, he guest-starred in EastEnders as "Dickie Ticker" the crude comic brought in by Mick Carter for Kush Kazemi"s stag night.
In 2009 he played the role of Barry in Trebor Mint adverts.
McGivern appeared in the first series of cult comedy show Big Train in 1998, and later that year for the 1998 radio SciFi drama Paradise Lost in Cyberspace (Colin Swash, British Broadcasting Corporation) McGivern teamed up with old Hitchhiker"s colleague Stephen Moore and Lorelei King (member of cast in the 2005 Hitchhiker"s radio show sequel).